TM 1-1730-202-13&P
SUPPORTING INFORMATION
JACK, HYDRAULIC, TRIPOD, TYPE B-5
PART NO. 50K25177 NSN 1730-00-516-2018 EIC: NA
MAINTENANCE ALLOCATION CHART (MAC) INTRODUCTION
MAINTENANCE ALLOCATION CHART (MAC) INTRODUCTION
Aviation Maintenance Allocation Chart
The MAC (immediately following the introduction) designates overall authority and responsibility for the perfor-
mance of maintenance functions on the identied end item or component. The application of the maintenance
functions to the end item or component shall be consistent with the capacities and capabilities of the designated
maintenance level which are shown on the MAC as:
Field - includes two columns, "O" which corresponds to Aviation Maintenance Company (AMC) and "F"
which corresponds to Aviation Support Battalion (ASB)
Sustainment - includes two columns, "L" which corresponds to Theater Aviation Sustainment Maintenance
Group (TASMG) and other organizations that have National Maintenance Program certication and "D"
which corresponds to Depot .
The maintenance to be performed below depot and in the eld is described as follows:
Aviation Maintenance Company (AMC). The primary purpose of the aviation maintenance company
1.
is to support the momentum of offensive operations. Composition of the AMC will be based on type of
operations being supported, nature of the battleeld and the need for exibility. AMCs will provide for-
ward positioning of essential maintenance repair parts and supplies, maximum use of support teams,
use of airlift/air drops for resupply, for maintenance that does not interfere with the tactical plans and op-
erations. AMCs are agile, mobile and well equipped. They will carry limited stockpiles of demand sup-
ported, essential parts and supplies. The AMC performs battle damage assessment and repair (BDAR)
and unit level repairs on Aviation Life Support Systems (ALSS). The AMC performs production control,
quality control and Maintenance Management/Maintenance Test Pilot functions. AMCs will rig aircraft
for recovery operations. The AMC manages the battalion maintenance program and operates a central
tool room. The AMC conducts forward arming and refueling. AMCs will be comprised of 3 to 4 modular
platoons, which are congured to maintain unit level operational readiness and aircraft availability:
Headquarters Platoon - Establishes standard operating procedures, receives and processes work
requests, schedules maintenance, maintains status of aircraft, coordinates inspections and test
ights and return of repaired aircraft, enforces quality standards, responsible for safety. Also,
obtains, stores and issues Classes II, III, IV, and IX, prescribe load list, shop stock and authorized
stockage list items.
Airframe Repair Platoon - Tailored to battalion it supports. Performs scheduled and unscheduled
maintenance, troubleshoots faulty components and removes and replaces aircraft components.
Provides mission capable aircraft to support ight company operations.
Component Repair Platoon - Performs scheduled and unscheduled maintenance, troubleshoots
faulty components and removes and replaces aircraft components. Performs BDAR and manages
Class IX spare/shop stock. This platoon uses Shop Equipment Contact Maintenance (SECM)
trucks which are multi-capable and self-contained and are used to perform on-site maintenance
using enhanced power tools, test, measurement and diagnostic equipment, welding and cutting
equipment and an air compressor. The SECM truck is highly mobile.
Armament platoon - Only used in attack battalions and cavalry squadrons. Performs scheduled
and unscheduled maintenance on armament components.
Aviation Support Company (ASC) in the Aviation Support Battalion (ASB). Comprised of Head-
2.
quarters, Airframe and Component Repair Platoons. Provides maintenance assistance to aviation units
helping them maintain operational readiness and aircraft availability. Utilizes SECM trucks. Capable of
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